/*
 * Copyright (C) 2007, 2008, 2009 Holger Hans Peter Freyther
 * Copyright (C) 2008 Jan Michael C. Alonzo
 * Copyright (C) 2008 Collabora Ltd.
 * Copyright (C) 2010 Igalia S.L.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef webkitprivate_h
#define webkitprivate_h

/*
 * This file knows the shared secret of WebKitWebView, WebKitWebFrame,
 * and WebKitNetworkRequest.
 * They are using WebCore which musn't be exposed to the outer world.
 */

#include <webkit/webkitdefines.h>
#include <webkit/webkitdownload.h>
#include <webkit/webkithittestresult.h>
#include <webkit/webkitnetworkrequest.h>
#include <webkit/webkitwebview.h>
#include <webkit/webkitwebdatasource.h>
#include <webkit/webkitwebframe.h>
#include <webkit/webkitwebpolicydecision.h>
#include <webkit/webkitwebnavigationaction.h>
#include <webkit/webkitwebresource.h>
#include <webkit/webkitwebsettings.h>
#include <webkit/webkitwebwindowfeatures.h>
#include <webkit/webkitwebbackforwardlist.h>
#include <webkit/webkitnetworkrequest.h>
#include <webkit/webkitsecurityorigin.h>

#include "ArchiveResource.h"
#include "BackForwardListImpl.h"
#include "DataObjectGtk.h"
#include "DragActions.h"
#include "Frame.h"
#include "GOwnPtr.h"
#include "Geolocation.h"
#include "HistoryItem.h"
#include "InspectorClientGtk.h"
#include "IntPoint.h"
#include "IntRect.h"
#include "FrameLoaderClient.h"
#include "FullscreenVideoController.h"
#include "Node.h"
#include "Page.h"
#include "PlatformString.h"
#include "ResourceHandle.h"
#include "ResourceRequest.h"
#include "ResourceResponse.h"
#include "WindowFeatures.h"
#include "SecurityOrigin.h"
#include "Settings.h"
#include <enchant.h>
#include <wtf/OwnPtr.h>
#include <wtf/text/CString.h>

#include <atk/atk.h>
#include <glib.h>
#include <libsoup/soup.h>

class DownloadClient;

namespace WebKit {

    class DocumentLoader;
    class PasteboardHelperGtk;

    WebKitWebView* getViewFromFrame(WebKitWebFrame*);

    WebCore::Frame* core(WebKitWebFrame*);
    WebKitWebFrame* kit(WebCore::Frame*);

    WebCore::Page* core(WebKitWebView*);
    WebKitWebView* kit(WebCore::Page*);

    WebCore::HistoryItem* core(WebKitWebHistoryItem*);
    WebKitWebHistoryItem* kit(PassRefPtr<WebCore::HistoryItem>);

    WebCore::BackForwardListImpl* core(WebKitWebBackForwardList*);

    WebKitWebNavigationReason kit(WebCore::NavigationType type);
    WebCore::NavigationType core(WebKitWebNavigationReason reason);

    WebCore::ResourceRequest core(WebKitNetworkRequest* request);

    WebCore::ResourceResponse core(WebKitNetworkResponse* response);

    WebCore::EditingBehaviorType core(WebKitEditingBehavior type);

    WebKitSecurityOrigin* kit(WebCore::SecurityOrigin*);
    WebCore::SecurityOrigin* core(WebKitSecurityOrigin*);

    WebKitHitTestResult* kit(const WebCore::HitTestResult&);

    PasteboardHelperGtk* pasteboardHelperInstance();

    typedef struct DroppingContext_ {
        WebKitWebView* webView;
        GdkDragContext* gdkContext;
        RefPtr<WebCore::DataObjectGtk> dataObject;
        WebCore::IntPoint lastMotionPosition;
        int pendingDataRequests;
        bool dropHappened;
    } DroppingContext;
}

extern "C" {
    void webkit_init();

#ifdef HAVE_GSETTINGS
    GSettings* inspectorGSettings();
#endif

#define WEBKIT_PARAM_READABLE ((GParamFlags)(G_PARAM_READABLE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB))
#define WEBKIT_PARAM_READWRITE ((GParamFlags)(G_PARAM_READWRITE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB))

    #define WEBKIT_WEB_VIEW_GET_PRIVATE(obj)    (G_TYPE_INSTANCE_GET_PRIVATE((obj), WEBKIT_TYPE_WEB_VIEW, WebKitWebViewPrivate))
    typedef struct _WebKitWebViewPrivate WebKitWebViewPrivate;
    struct _WebKitWebViewPrivate {
        WebCore::Page* corePage;
        PlatformRefPtr<WebKitWebSettings> webSettings;
        PlatformRefPtr<WebKitWebInspector> webInspector;
        PlatformRefPtr<WebKitWebWindowFeatures> webWindowFeatures;

        WebKitWebFrame* mainFrame;
        PlatformRefPtr<WebKitWebBackForwardList> backForwardList;

        PlatformRefPtr<GtkMenu> currentMenu;
        gint lastPopupXPosition;
        gint lastPopupYPosition;

        HashSet<GtkWidget*> children;
        bool editable;
        PlatformRefPtr<GtkIMContext> imContext;

        gboolean transparent;

        PlatformRefPtr<GtkAdjustment> horizontalAdjustment;
        PlatformRefPtr<GtkAdjustment> verticalAdjustment;

#ifndef GTK_API_VERSION_2
        // GtkScrollablePolicy needs to be checked when
        // driving the scrollable adjustment values
        GtkScrollablePolicy horizontalScrollingPolicy;
        GtkScrollablePolicy verticalScrollingPolicy;
#endif

        gboolean zoomFullContent;
        WebKitLoadStatus loadStatus;
        CString encoding;
        CString customEncoding;

        CString iconURI;

        gboolean disposing;
        gboolean usePrimaryForPaste;

#if ENABLE(VIDEO)
        FullscreenVideoController* fullscreenVideoController;
#endif

        // These are hosted here because the DataSource object is
        // created too late in the frame loading process.
        PlatformRefPtr<WebKitWebResource> mainResource;
        CString mainResourceIdentifier;
        PlatformRefPtr<GHashTable> subResources;
        CString tooltipText;
        WebCore::IntRect tooltipArea;

        int currentClickCount;
        WebCore::IntPoint previousClickPoint;
        guint previousClickButton;
        guint32 previousClickTime;
        HashMap<GdkDragContext*, RefPtr<WebCore::DataObjectGtk> > draggingDataObjects;
        HashMap<GdkDragContext*, WebKit::DroppingContext*> droppingContexts;
    };

    #define WEBKIT_WEB_FRAME_GET_PRIVATE(obj)    (G_TYPE_INSTANCE_GET_PRIVATE((obj), WEBKIT_TYPE_WEB_FRAME, WebKitWebFramePrivate))
    typedef struct _WebKitWebFramePrivate WebKitWebFramePrivate;
    struct _WebKitWebFramePrivate {
        WebCore::Frame* coreFrame;
        WebKitWebView* webView;

        gchar* name;
        gchar* title;
        gchar* uri;
        WebKitLoadStatus loadStatus;
        WebKitSecurityOrigin* origin;
    };

#define WEBKIT_SECURITY_ORIGIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), WEBKIT_TYPE_SECURITY_ORIGIN, WebKitSecurityOriginPrivate))
    struct _WebKitSecurityOriginPrivate {
        RefPtr<WebCore::SecurityOrigin> coreOrigin;
        gchar* protocol;
        gchar* host;
        GHashTable* webDatabases;

        gboolean disposed;
    };

    WTF::String
    webkitUserAgent();

    void
    webkit_web_frame_core_frame_gone(WebKitWebFrame*);

    // WebKitWebHistoryItem private
    WebKitWebHistoryItem*
    webkit_web_history_item_new_with_core_item(PassRefPtr<WebCore::HistoryItem> historyItem);

    WEBKIT_API G_CONST_RETURN gchar*
    webkit_web_history_item_get_target(WebKitWebHistoryItem*);

    WEBKIT_API gboolean
    webkit_web_history_item_is_target_item(WebKitWebHistoryItem*);

    WEBKIT_API GList*
    webkit_web_history_item_get_children(WebKitWebHistoryItem*);
    // end WebKitWebHistoryItem private

    // WebKitWebResource private
    #define WEBKIT_WEB_RESOURCE_GET_PRIVATE(obj)        (G_TYPE_INSTANCE_GET_PRIVATE((obj), WEBKIT_TYPE_WEB_RESOURCE, WebKitWebResourcePrivate))
    struct _WebKitWebResourcePrivate {
        WebCore::ArchiveResource* resource;

        gchar* uri;
        gchar* mimeType;
        gchar* textEncoding;
        gchar* frameName;

        GString* data;
    };
    WebKitWebResource*
    webkit_web_resource_new_with_core_resource(PassRefPtr<WebCore::ArchiveResource>);

    void
    webkit_web_resource_init_with_core_resource(WebKitWebResource*, PassRefPtr<WebCore::ArchiveResource>);

    // end WebKitWebResource private

    void
    webkit_web_inspector_set_inspector_client(WebKitWebInspector*, WebCore::Page*);

    void
    webkit_web_inspector_set_web_view(WebKitWebInspector *web_inspector, WebKitWebView *web_view);

    void
    webkit_web_inspector_set_inspected_uri(WebKitWebInspector* web_inspector, const gchar* inspected_uri);

    WEBKIT_API void
    webkit_web_inspector_execute_script(WebKitWebInspector* inspector, long callId, const gchar* script);


    WebKitWebWindowFeatures*
    webkit_web_window_features_new_from_core_features (const WebCore::WindowFeatures& features);

    void
    webkit_web_view_notify_ready (WebKitWebView* web_view);

    void
    webkit_web_view_request_download(WebKitWebView* web_view, WebKitNetworkRequest* request, const WebCore::ResourceResponse& response = WebCore::ResourceResponse(), WebCore::ResourceHandle* handle = 0);

    void
    webkit_web_view_add_resource(WebKitWebView*, const char*, WebKitWebResource*);

    void
    webkit_web_view_remove_resource(WebKitWebView*, const char*);

    WebKitWebResource*
    webkit_web_view_get_resource(WebKitWebView*, char*);

    WebKitWebResource*
    webkit_web_view_get_main_resource(WebKitWebView*);

    void
    webkit_web_view_clear_resources(WebKitWebView*);

    GList*
    webkit_web_view_get_subresources(WebKitWebView*);

    void
    webkit_web_view_set_tooltip_text(WebKitWebView*, const char*);

    GtkMenu*
    webkit_web_view_get_context_menu(WebKitWebView*);

    WEBKIT_API void
    webkit_web_view_execute_core_command_by_name(WebKitWebView* webView, const gchar* name, const gchar* value);

    WEBKIT_API gboolean
    webkit_web_view_is_command_enabled(WebKitWebView* webView, const gchar* name);

    WebKitDownload*
    webkit_download_new_with_handle(WebKitNetworkRequest* request, WebCore::ResourceHandle* handle, const WebCore::ResourceResponse& response);

    void
    webkit_download_set_suggested_filename(WebKitDownload* download, const gchar* suggestedFilename);

    WebKitWebPolicyDecision*
    webkit_web_policy_decision_new (WebKitWebFrame*, WebCore::FramePolicyFunction);

    void
    webkit_web_policy_decision_cancel (WebKitWebPolicyDecision* decision);

    WebKitNetworkRequest*
    webkit_network_request_new_with_core_request(const WebCore::ResourceRequest& resourceRequest);

    WebKitNetworkResponse*
    webkit_network_response_new_with_core_response(const WebCore::ResourceResponse& resourceResponse);

    WebKitGeolocationPolicyDecision*
    webkit_geolocation_policy_decision_new(WebKitWebFrame*, WebCore::Geolocation*);

    // FIXME: move this to webkitnetworkrequest.h once the API is agreed upon.
    WEBKIT_API SoupMessage*
    webkit_network_request_get_message(WebKitNetworkRequest* request);

    // FIXME: move this functionality into a 'WebKitWebDataSource' once implemented
    WEBKIT_API gchar*
    webkit_web_frame_get_response_mime_type(WebKitWebFrame* frame);

    // FIXME: Move these to webkitwebframe.h once their API has been discussed.

    WEBKIT_API GSList*
    webkit_web_frame_get_children (WebKitWebFrame* frame);

    WEBKIT_API gchar*
    webkit_web_frame_get_inner_text (WebKitWebFrame* frame);

    WEBKIT_API gchar*
    webkit_web_frame_dump_render_tree (WebKitWebFrame* frame);

    WEBKIT_API gchar*
    webkit_web_frame_counter_value_for_element_by_id (WebKitWebFrame* frame, const gchar* id);

    WEBKIT_API int
    webkit_web_frame_page_number_for_element_by_id(WebKitWebFrame* frame, const gchar* id, float pageWidth, float pageHeight);

    WEBKIT_API int
    webkit_web_frame_number_of_pages(WebKitWebFrame* frame, float pageWidth, float pageHeight);

    WEBKIT_API guint
    webkit_web_frame_get_pending_unload_event_count(WebKitWebFrame* frame);

    WEBKIT_API bool
    webkit_web_frame_pause_animation(WebKitWebFrame* frame, const gchar* name, double time, const gchar* element);

    WEBKIT_API bool
    webkit_web_frame_pause_transition(WebKitWebFrame* frame, const gchar* name, double time, const gchar* element);

    WEBKIT_API bool
    webkit_web_frame_pause_svg_animation(WebKitWebFrame* frame, const gchar* animationId, double time, const gchar* elementId);

    WEBKIT_API gchar*
    webkit_web_frame_marker_text_for_list_item(WebKitWebFrame* frame, JSContextRef context, JSValueRef nodeObject);

    WEBKIT_API unsigned int
    webkit_web_frame_number_of_active_animations(WebKitWebFrame* frame);

    WEBKIT_API void
    webkit_web_frame_suspend_animations(WebKitWebFrame* frame);

    WEBKIT_API void
    webkit_web_frame_resume_animations(WebKitWebFrame* frame);

    WEBKIT_API void
    webkit_web_frame_clear_main_frame_name(WebKitWebFrame* frame);

    WEBKIT_API AtkObject*
    webkit_web_frame_get_focused_accessible_element(WebKitWebFrame* frame);

    WEBKIT_API gchar*
    webkit_web_view_get_selected_text (WebKitWebView* web_view);

    WEBKIT_API void
    webkit_web_settings_add_extra_plugin_directory (WebKitWebView *web_view, const gchar* directory);

    GSList*
    webkit_web_settings_get_enchant_dicts(WebKitWebView* web_view);

    bool
    webkit_web_view_use_primary_for_paste(WebKitWebView* web_view);

    GHashTable*
    webkit_history_items(void);

    WEBKIT_API void
    webkit_gc_collect_javascript_objects();

    WEBKIT_API void
    webkit_gc_collect_javascript_objects_on_alternate_thread(gboolean waitUntilDone);

    WEBKIT_API gsize
    webkit_gc_count_javascript_objects();

    WEBKIT_API void
    webkit_application_cache_set_maximum_size(unsigned long long size);

    WEBKIT_API unsigned int
    webkit_worker_thread_count();
    
    WEBKIT_API void
    webkit_white_list_access_from_origin(const gchar* sourceOrigin, const gchar* destinationProtocol, const gchar* destinationHost, bool allowDestinationSubdomains);
    
    WEBKIT_API void
    webkit_reset_origin_access_white_lists();

    // WebKitWebDataSource private
    WebKitWebDataSource*
    webkit_web_data_source_new_with_loader(PassRefPtr<WebKit::DocumentLoader>);

    WEBKIT_API WebKitWebDatabase *
    webkit_security_origin_get_web_database(WebKitSecurityOrigin* securityOrigin, const char* databaseName);

    WEBKIT_API void
    webkit_web_frame_layout(WebKitWebFrame* frame);

    void webkitWebViewEnterFullscreen(WebKitWebView* webView, WebCore::Node* node);
    void webkitWebViewExitFullscreen(WebKitWebView* webView);
}

#endif